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| author | Steven Noonan <steven@uplinklabs.net> | 2021-11-17 00:25:26 -0800 |
|---|---|---|
| committer | Cristian Ciocaltea <cristian.ciocaltea@collabora.com> | 2022-12-12 17:57:16 +0200 |
| commit | eaf224662e8912dc8deeab3fee6c7c668a9c4d66 (patch) | |
| tree | 7fe64dcba8fb8b894bb3b3c7ec21df9d7d1fae9c /Documentation/admin-guide | |
| parent | 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 (diff) | |
| download | linux-eaf224662e8912dc8deeab3fee6c7c668a9c4d66.tar.gz | |
x86: implement tsc=directsync for systems without IA32_TSC_ADJUST
Signed-off-by: Steven Noonan <steven@uplinklabs.net> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 42af9ca0127e..b34b81cb0789 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -6319,6 +6319,8 @@ in situations with strict latency requirements (where interruptions from clocksource watchdog are not acceptable). + [x86] directsync: attempt to sync the tsc via direct + writes if MSR_IA32_TSC_ADJUST isn't available tsc_early_khz= [X86] Skip early TSC calibration and use the given value instead. Useful when the early TSC frequency discovery |